举一个简单的例子，中国的通讯市场掌握在四家国有公司手里，中国移动中国联通中国电信和中国铁通

来源: laonong0min 于 2024-04-12 16:02:04 [旧帖] [给我悄悄话] 本文已被阅读：次

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